实现电子签名（vue）代码如下：<template>
<div class="canvas-content">
<div :class="{'canvas-container': type == 90 || type == -90, 'canvas-container-vertical': type == 0 || type == 180}"&
DockerfileA Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.dockerfile文件实际上就是一个包含了一堆指令的文件，在执行docker build path的时候，Docker的后台程序会自动
